factorial cumulant是什么意思

网络释义

用法例句

The ratio of factorial cumulant to factorial moment of multiplicity distributions in different pseudorapidity windows has been calculated by using the experimental data of multiplicity production for pp collisions at 400GeV/c.

利用４００ＧｅＶ／ｃｐｐ碰撞多重产生的实验数据计算了不同赝快度窗口时多重数分布的阶乘累积矩与阶乘矩之比。

For the purpose of identifying harmonic components in vibration signals with strong Gaussian colored noise,by using an estimation algorithm of time averaged three-order cumulant,a method of harmonic retrieval from the(vibration) signals is presented in the paper.

为了识别在强高斯噪声背景下振动信号的谐波成分,从三阶累积量的估计算法出发,提出了基于时间平均的三阶累积量算法,进行振动信号的谐波恢复。

After the analysis for speech signal with of three-order cumulant spectrum,this algorithm through using subharmonic-harmonic rate method can compute harmonic parameters and high-low frequency energy ratio.

该方法在分析了语音的三阶累积量谱后,用子谐波-谐波方法取得基音,并计算出谐波参数和高低频能量比值。

By Hinich s test,the nongaussian and nonlinear components of ship radiated noise was detected, and the objective evidences were given for using higher order cumulants to extract noise features.

用Hinich检验方法 ,验证了实际舰船辐射噪声中存在非高斯性、非线性成分 ,为利用高阶累积量方法提取舰船辐射噪声的非高斯特征 ,提供了客观依据。

Blind separation of sources based on higher order cumulants is applied to the separation between vibration signal and noise,which is important to diagnosi.

本文利用基于高阶累积量的盲信号分离方法 ,设计了相应算法 ,成功地从被噪声污染的信号中恢复源振动信号 ,从而可确保碰摩故障的检测和诊断能顺利进

The identification of such a system is discussed when applying higher order cumulants.

研究了利用高阶累积量方法对复共轭四阶系统进行辨识的问题 ,分析讨论了这种四阶系统的特点 ,给出了由连续系统到离散系统的转换公式 ,并利用基于累积量表示的修正尤勒 沃克方程对该四阶系统进行了辨识 。

Estimation of time delay by using weighted high-order cumulant on correlated noise;

相关噪声背景下加权高阶累积量的时延估计方法

Research on DOA Estimation Based on High-Order Cumulant;

基于高阶累积量的DOA估计法研究

Seismic wavelet estimation using high-order cumulant matching method and hybrid ant colony algorithm.

基于高阶累积量拟合及混合蚁群算法的地震子波估计

Lung sound feature extraction based on parametric bispectrum analysis of higher-order cumulants;

基于高阶累积量的参数化双谱分析的肺音特征提取

The ARMA model parameters of lung-thorax system from lung sound were estimated by the higher-order cumulants.

应用高阶累积量方法 ,从肺音信号辨识肺胸系统的ARMA模型参数 。

To investigate the modulation recognition of Phase Shift Keying (PSK) signals widely used in satellite Communication, such as pi/4-QPSK and 8-PSK , an algorithm for modulation recognition based on higher-order cumulants of signal difference is proposed.

针对卫星通信中常用的数字调相信号pi/4-QPSK、8PSK的调制识别问题,提出了一种基于信号差分高阶累积量的识别算法,该算法利用信号差分的四阶和八阶累积量特征对pi/4-QPSK、8PSK信号进行识别。

Research on Spectrum Sensing Technique Based on the third Order Cumulants

基于三阶累积量的频谱感知技术研究

NEW METHOD FOR MOVING DIM TARGET DETECTION BASED ON THIRD-ORDER CUMULANT IN INFRARED IMAGE

基于三阶累积量的红外弱小运动目标检测新方法

A new algorithm based on third-order cumulant was proposed to detect a moving dim infrared target under heavy background.

为检测强杂波背景中的红外弱小运动目标,提出了一种基于三阶累积量的检测新方法.

Blind recognition of joint multi-parameter OFDM signals based on high-order cumulants and trigonometric moments characteristics

基于高阶累积量和三角矩的联合多参数特征OFDM信号盲识别

Higher Order Cumulants in Echo Cancellation

一种基于高阶累积量的回波对消方法

Research on DOA Estimation Based on High-Order Cumulant;

基于高阶累积量的DOA估计法研究

Array Signal Parameter Estimation Based on Fourth-Order Cumulants;

基于四阶累积量的阵列信号参数估计

Research on Automatic Classification of Phase Modulated Signals Using High-order Cumulant

调相信号自动识别的高阶累积量方法

An Algorithm of DOA Estimation Based on Cross Array and High-order Cumulants

基于十字阵的高阶累积量DOA估计算法

A Better Fourth-Order Cumulant Method Using Beamspace MUSIC Algorithm

基于四阶累积量的波束域MUSIC方法

DOA estimation method of coherent signal based on fourth-order cumulates

基于四阶累积量相关信号的DOA估计

Estimation of Signal Parameters via Rotational Invariance Techniques Algorithm with Speedy Fourth-Order Cumulants

快速四阶累积量旋转不变子空间算法

Subspace Blind Channel Estimation Based on Fourth-Order Cumulant

基于四阶累积量的子空间盲信道估计

Signal Modulation Classification Based on Support Vector Machines and High-Order Cumulants

基于高阶累积量和支持向量机的信号调制分类

Method for Dim Small IR Target Detection Based on Wavelet and Higher-Order Cumulant

基于小波和高阶累积量的红外弱小目标检测

Multi-parameter Estimation Technology of Wide-band Array Signals Based on High-order Cumulant;

基于高阶累积量的阵列信号多参数估计技术

Research on Complex Signal Identification Based on High-order Cumulant under Low Signal/Noise Rate;

基于高阶累积量的低信噪比复杂信号识别研究

Hybrid Global Algorithm Wavelet Estimation and Extraction Via Higher Order Cumulants;

高阶累积量全局混合法子波估计及外推